fix Purpose comment

[wxWidgets.git] / src / common / dcgraph.cpp

diff --git a/src/common/dcgraph.cpp b/src/common/dcgraph.cpp
index 6c4e5345305292a733900e2e6168d33af3eb2115..2b9eb8c97a70d59e069519e678925e634692c4d9 100644 (file)
--- a/src/common/dcgraph.cpp
+++ b/src/common/dcgraph.cpp
@@ -30,8 +30,12 @@
 
 #include "wx/dcclient.h"
 
-#ifdef __WXOSX__
-    #include "ApplicationServices/ApplicationServices.h"
+#ifdef __WXOSX_OR_COCOA__
+#ifdef __WXOSX_IPHONE__
+    #include <CoreGraphics/CoreGraphics.h>
+#else
+    #include <ApplicationServices/ApplicationServices.h>
+#endif
 #endif
 
 //-----------------------------------------------------------------------------
@@ -65,6 +69,13 @@ wxGCDC::wxGCDC( const wxMemoryDC& dc) :
 {
 }
 
+#if wxUSE_PRINTING_ARCHITECTURE
+wxGCDC::wxGCDC( const wxPrinterDC& dc) :
+  wxDC( new wxGCDCImpl( this, dc ) )
+{
+}
+#endif
+
 wxGCDC::wxGCDC() :
   wxDC( new wxGCDCImpl( this ) )
 {
@@ -127,6 +138,15 @@ wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxMemoryDC& dc ) :
     SetGraphicsContext( wxGraphicsContext::Create(dc) );
 }
 
+#if wxUSE_PRINTING_ARCHITECTURE
+wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc ) :
+   wxDCImpl( owner )
+{
+    Init();
+    SetGraphicsContext( wxGraphicsContext::Create(dc) );
+}
+#endif
+
 void wxGCDCImpl::Init()
 {
     m_ok = false;
@@ -148,23 +168,34 @@ wxGCDCImpl::~wxGCDCImpl()
     delete m_graphicContext;
 }
 
-void wxGCDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
+void wxGCDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y,
+                               bool useMask )
 {
     wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid DC") );
     wxCHECK_RET( bmp.IsOk(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid bitmap") );
 
+    int w = bmp.GetWidth();
+    int h = bmp.GetHeight();
     if ( bmp.GetDepth() == 1 )
     {
         m_graphicContext->SetPen(*wxTRANSPARENT_PEN);
         m_graphicContext->SetBrush( wxBrush( m_textBackgroundColour , wxSOLID ) );
-        m_graphicContext->DrawRectangle( x , y , bmp.GetWidth() , bmp.GetHeight() );
+        m_graphicContext->DrawRectangle( x, y, w, h );
         m_graphicContext->SetBrush( wxBrush( m_textForegroundColour , wxSOLID ) );
-        m_graphicContext->DrawBitmap( bmp, x , y , bmp.GetWidth() , bmp.GetHeight() );
+        m_graphicContext->DrawBitmap( bmp, x, y, w, h );
         m_graphicContext->SetBrush( m_graphicContext->CreateBrush(m_brush));
         m_graphicContext->SetPen( m_graphicContext->CreatePen(m_pen));
     }
-    else
-        m_graphicContext->DrawBitmap( bmp, x , y , bmp.GetWidth() , bmp.GetHeight() );
+    else // not a monochrome bitmap, handle it normally
+    {
+        // make a copy in case we need to remove its mask, if we don't modify
+        // it the copy is cheap as bitmaps are reference-counted
+        wxBitmap bmpCopy(bmp);
+        if ( !useMask && bmp.GetMask() )
+            bmpCopy.SetMask(NULL);
+
+        m_graphicContext->DrawBitmap( bmpCopy, x, y, w, h );
+    }
 }
 
 void wxGCDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
@@ -197,7 +228,7 @@ void wxGCDCImpl::EndPage()
 
 void wxGCDCImpl::Flush()
 {
-#ifdef __WXOSX__
+#ifdef __WXOSX_OR_COCOA__
     CGContextFlush( (CGContextRef) m_graphicContext->GetNativeContext() );
 #endif
 }
@@ -225,10 +256,10 @@ void wxGCDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h
     }
 }
 
-void wxGCDCImpl::DoSetClippingRegionAsRegion( const wxRegion &region )
+void wxGCDCImpl::DoSetDeviceClippingRegion( const wxRegion &region )
 {
     // region is in device coordinates
-    wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoSetClippingRegionAsRegion - invalid DC") );
+    wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoSetDeviceClippingRegion - invalid DC") );
 
     if (region.Empty())
     {
@@ -351,10 +382,12 @@ void wxGCDCImpl::ComputeScaleAndOrigin()
     if ( m_graphicContext )
     {
         m_matrixCurrent = m_graphicContext->CreateMatrix();
-        m_matrixCurrent.Translate( m_deviceOriginX, m_deviceOriginY );
-        m_matrixCurrent.Scale( m_scaleX, m_scaleY );
+
         // the logical origin sets the origin to have new coordinates
-        m_matrixCurrent.Translate( -m_logicalOriginX, -m_logicalOriginY );
+        m_matrixCurrent.Translate( m_deviceOriginX - m_logicalOriginX * m_signX * m_scaleX,
+                                   m_deviceOriginY-m_logicalOriginY * m_signY * m_scaleY);
+
+        m_matrixCurrent.Scale( m_scaleX * m_signX, m_scaleY * m_signY );
 
         m_graphicContext->SetTransform( m_matrixOriginal );
         m_graphicContext->ConcatTransform( m_matrixCurrent );
@@ -537,21 +570,19 @@ void wxGCDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
     {
         wxGraphicsPath path = m_graphicContext->CreatePath();
         path.MoveToPoint( 0, 0 );
-        path.AddLineToPoint( h / 2.0 * cos(DegToRad(sa)) , h / 2.0 * sin(DegToRad(-sa)) );
-        path.AddLineToPoint( h / 2.0 * cos(DegToRad(ea)) , h / 2.0 * sin(DegToRad(-ea)) );
+        path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
         path.AddLineToPoint( 0, 0 );
         m_graphicContext->FillPath( path );
 
         path = m_graphicContext->CreatePath();
         path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
-        m_graphicContext->FillPath( path );
         m_graphicContext->StrokePath( path );
     }
     else
     {
         wxGraphicsPath path = m_graphicContext->CreatePath();
-    path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
-    m_graphicContext->DrawPath( path );
+        path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
+        m_graphicContext->DrawPath( path );
     }
 
     m_graphicContext->PopState();
@@ -781,7 +812,7 @@ bool wxGCDCImpl::DoBlit(
 bool wxGCDCImpl::DoStretchBlit(
     wxCoord xdest, wxCoord ydest, wxCoord dstWidth, wxCoord dstHeight,
     wxDC *source, wxCoord xsrc, wxCoord ysrc, wxCoord srcWidth, wxCoord srcHeight,
-    int logical_func , bool WXUNUSED(useMask),
+    int logical_func , bool useMask,
     wxCoord xsrcMask, wxCoord ysrcMask )
 {
     wxCHECK_MSG( IsOk(), false, wxT("wxGCDC(cg)::DoStretchBlit - invalid DC") );
@@ -790,7 +821,6 @@ bool wxGCDCImpl::DoStretchBlit(
     if ( logical_func == wxNO_OP )
         return true;
     else if ( !m_graphicContext->SetLogicalFunction( logical_func ) )
-
     {
         wxFAIL_MSG( wxT("Blitting is only supported with wxCOPY logical operation.") );
         return false;
@@ -821,6 +851,9 @@ bool wxGCDCImpl::DoStretchBlit(
 
     if ( blit.IsOk() )
     {
+        if ( !useMask && blit.GetMask() )
+            blit.SetMask(NULL);
+
         m_graphicContext->DrawBitmap( blit, xdest, ydest,
                                       dstWidth, dstHeight);
     }
@@ -854,7 +887,7 @@ void wxGCDCImpl::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
 
 void wxGCDCImpl::DoDrawText(const wxString& str, wxCoord x, wxCoord y)
 {
-    wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawRotatedText - invalid DC") );
+    wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawText - invalid DC") );
 
     if ( str.length() == 0 )
         return;